12539890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3931}}^1$

素因数の和:3978

約数の個数: 32

約数和(自身を含む): 25479360

約数和(自身を除く): 12939470

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 3931, 7862, 19655, 39310, 43241, 86482, 113999, 216205, 227998, 432410, 569995, 1139990, 1253989, 2507978, 6269945, 12539890]

約数ペア:

[(1, 12539890), (2, 6269945), (5, 2507978), (10, 1253989), (11, 1139990), (22, 569995), (29, 432410), (55, 227998), (58, 216205), (110, 113999), (145, 86482), (290, 43241), (319, 39310), (638, 19655), (1595, 7862), (3190, 3931)]